#include <boost/shared_ptr.hpp>
#include <string>
+#include <set>
#include "pbd/statefuldestructible.h"
#include "pbd/controllable.h"
#include "ardour/cycles.h"
#include "ardour/latent.h"
#include "ardour/libardour_visibility.h"
+#include "ardour/midi_ring_buffer.h"
#include "ardour/midi_state_tracker.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/types.h"
class PluginInsert;
class Plugin;
class PluginInfo;
+class AutomationControl;
+class SessionObject;
typedef boost::shared_ptr<Plugin> PluginPtr;
typedef boost::shared_ptr<PluginInfo> PluginInfoPtr;
typedef std::list<PluginInfoPtr> PluginInfoList;
-
+typedef std::set<uint32_t> PluginOutputConfiguration;
+
+/** A plugin is an external module (usually 3rd party provided) loaded into Ardour
+ * for the purpose of digital signal processing.
+ *
+ * This class provides an abstraction for methords provided by
+ * all supported plugin standards such as presets, name, parameters etc.
+ *
+ * Plugins are not used directly in Ardour but always wrapped by a PluginInsert.
+ */
class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public Latent
{
public:
virtual std::string get_docs () const { return ""; }
virtual std::string get_parameter_docs (uint32_t /*which*/) const { return ""; }
+ struct UILayoutHint {
+ UILayoutHint ()
+ : x0(-1), x1(-1), y0(-1), y1(-1), knob(false) {}
+ int x0;
+ int x1;
+ int y0;
+ int y1;
+ bool knob;
+ };
+
+ virtual bool get_layout (uint32_t which, UILayoutHint&) const { return false; }
+
virtual int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const = 0;
virtual uint32_t nth_parameter (uint32_t which, bool& ok) const = 0;
+ virtual std::string parameter_label (uint32_t which) const;
virtual void activate () = 0;
virtual void deactivate () = 0;
virtual void flush () { deactivate(); activate(); }
virtual int set_block_size (pframes_t nframes) = 0;
+ virtual bool requires_fixed_sized_buffers() const { return false; }
+ virtual bool inplace_broken() const { return false; }
virtual int connect_and_run (BufferSet& bufs,
- ChanMapping in, ChanMapping out,
- pframes_t nframes, framecnt_t offset);
+ samplepos_t start, samplepos_t end, double speed,
+ ChanMapping in, ChanMapping out,
+ pframes_t nframes, samplecnt_t offset);
virtual std::set<Evoral::Parameter> automatable() const = 0;
virtual std::string describe_parameter (Evoral::Parameter) = 0;
virtual bool parameter_is_input(uint32_t) const = 0;
virtual bool parameter_is_output(uint32_t) const = 0;
+ virtual uint32_t designated_bypass_port () { return UINT32_MAX; }
+
+ struct LIBARDOUR_API IOPortDescription {
+ public:
+ IOPortDescription (const std::string& n)
+ : name (n)
+ , is_sidechain (false)
+ , group_name (n)
+ , group_channel (0)
+ {}
+ IOPortDescription (const IOPortDescription &other)
+ : name (other.name)
+ , is_sidechain (other.is_sidechain)
+ , group_name (other.group_name)
+ , group_channel (other.group_channel)
+ {}
+ std::string name;
+ bool is_sidechain;
+
+ std::string group_name;
+ uint32_t group_channel;
+ };
+
+ virtual IOPortDescription describe_io_port (DataType dt, bool input, uint32_t id) const;
+ virtual PluginOutputConfiguration possible_output () const;
+
+ virtual void set_automation_control (uint32_t /*port_index*/, boost::shared_ptr<ARDOUR::AutomationControl>) { }
+
virtual boost::shared_ptr<ScalePoints> get_scale_points(uint32_t /*port_index*/) const {
return boost::shared_ptr<ScalePoints>();
}
+ bool write_immediate_event (size_t size, const uint8_t* buf);
+
void realtime_handle_transport_stopped ();
void realtime_locate ();
void monitoring_changed ();
+ typedef struct {
+ unsigned char *data;
+ int width;
+ int height;
+ int stride;
+ } Display_Image_Surface;
+
+ virtual bool has_inline_display () { return false; }
+ virtual bool inline_display_in_gui () { return false; }
+ virtual Display_Image_Surface* render_inline_display (uint32_t, uint32_t) { return NULL; }
+ PBD::Signal0<void> QueueDraw;
+
+ virtual bool has_midnam () { return false; }
+ virtual bool read_midnam () { return false; }
+ virtual std::string midnam_model () { return ""; }
+ PBD::Signal0<void> UpdateMidnam;
+ PBD::Signal0<void> UpdatedMidnam;
+
+ virtual bool knows_bank_patch () { return false; }
+ virtual uint32_t bank_patch (uint8_t chn) { return UINT32_MAX; }
+ PBD::Signal1<void, uint8_t> BankPatchChange;
+
struct PresetRecord {
PresetRecord () : valid (false) {}
PresetRecord (const std::string& u, const std::string& l, bool s = true) : uri (u), label (l), user (s), valid (true) {}
return 0;
}
+ /** the max possible latency a plugin will have */
+ virtual samplecnt_t max_latency () const { return 0; } // TODO = 0, require implementation
+
/** Emitted when a preset is added or removed, respectively */
PBD::Signal0<void> PresetAdded;
PBD::Signal0<void> PresetRemoved;
*/
PBD::Signal0<void> PresetDirty;
+ /** Emitted for preset-load to set a control-port */
+ PBD::Signal2<void, uint32_t, float> PresetPortSetValue;
+
virtual bool has_editor () const = 0;
/** Emitted when a parameter is altered by something outside of our
/* specific types of plugins can overload this. As of September 2008, only
AUPlugin does this.
*/
- virtual bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/) { return false; }
+ virtual bool can_support_io_configuration (const ChanCount& /*in*/, ChanCount& /*out*/, ChanCount* imprecise = 0) { return false; }
virtual ChanCount output_streams() const;
virtual ChanCount input_streams() const;
PluginInfoPtr get_info() const { return _info; }
virtual void set_info (const PluginInfoPtr inf);
+ virtual void set_owner (SessionObject* o) { _owner = o; }
+ SessionObject* owner() const { return _owner; }
+
ARDOUR::AudioEngine& engine() const { return _engine; }
ARDOUR::Session& session() const { return _session; }
/* Called when a parameter of the plugin is changed outside of this
* host's control (typical via a plugin's own GUI/editor)
*/
- void parameter_changed_externally (uint32_t which, float val);
+ virtual void parameter_changed_externally (uint32_t which, float val);
/* should be overridden by plugin API specific derived types to
* actually implement changing the parameter. The derived type should
uint32_t _cycles;
std::map<std::string, PresetRecord> _presets;
+ SessionObject* _owner;
+
private:
/** Fill _presets with our presets */
virtual void find_presets () = 0;
- void update_presets (std::string src_unique_id, Plugin* src );
-
/** Add state to an existing XMLNode */
virtual void add_state (XMLNode *) const = 0;
PBD::ScopedConnection _preset_connection;
+ MidiRingBuffer<samplepos_t> _immediate_events;
+
void resolve_midi ();
};
virtual PluginPtr load (Session& session) = 0;
virtual bool is_instrument() const;
+ virtual bool needs_midi_input() const;
virtual bool in_category (const std::string &) const { return false; }
+ virtual std::vector<Plugin::PresetRecord> get_presets (bool user_only) const = 0;
+
/* NOTE: this block of virtual methods looks like the interface
to a Processor, but Plugin does not inherit from Processor.
It is therefore not required that these precisely match